{"categories":["db"],"image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20120427%2Fp1\" title=\"Oracle \u306e\u7d71\u8a08\u60c5\u5831\u66f4\u65b0\u30b8\u30e7\u30d6\u306e\u8d77\u52d5\u6642\u523b\u3092\u79fb\u52d5\u3055\u305b\u308b - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","author_url":"https://blog.hatena.ne.jp/kiririmode/","title":"Oracle \u306e\u7d71\u8a08\u60c5\u5831\u66f4\u65b0\u30b8\u30e7\u30d6\u306e\u8d77\u52d5\u6642\u523b\u3092\u79fb\u52d5\u3055\u305b\u308b","provider_name":"Hatena Blog","type":"rich","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","published":"2012-04-27 00:00:00","description":"Oracle \u306f 10 g \u4ee5\u964d\u3001\u57fa\u672c\u7684\u306b\u306f CBO (Cost Base Optimizer) \u3067\u5b9f\u884c\u8a08\u753b\u3092\u5b9a\u3081\u308b\u3088\u3046\u306b\u306a\u308b\u3002\u3067\u306f\u3001\u4f55\u3092\u57fa\u6e96\u3068\u3057\u3066\u30b3\u30b9\u30c8\u3092\u56f3\u308b\u306e\u304b\u3068\u3044\u3046\u3068\u305d\u308c\u306f\u7d71\u8a08\u60c5\u5831\u3067\u3001Oracle \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3060\u3068\u3001\u7d71\u8a08\u60c5\u5831\u53ce\u96c6\u30b8\u30e7\u30d6\u304c\u65e5\u591c\u7d71\u8a08\u60c5\u5831\u3092\u53ce\u96c6\u30fb\u66f4\u65b0\u3059\u308b\u3068\u3044\u3046\u52d5\u4f5c\u306b\u306a\u3063\u3066\u3044\u308b\u3002 \u3068\u3053\u308d\u304c\u3001\u3053\u306e\u7d71\u8a08\u60c5\u5831\u53ce\u96c6\u30b8\u30e7\u30d6\u304c\u30b5\u30fc\u30d0\u306e I/O \u8ca0\u8377\u7b49\u3092\u5897\u52a0\u3055\u305b\u3001\u672c\u6765\u9ad8\u901f\u3067\u51e6\u7406\u3059\u3079\u304d\u30aa\u30f3\u30e9\u30a4\u30f3\u51e6\u7406\u7b49\u3092\u9045\u5ef6\u3055\u305b\u308b\u539f\u56e0\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u51e6\u7406\u9ad8\u901f\u5316\u306e\u305f\u3081\u306b\u7d71\u8a08\u60c5\u5831\u3092\u53d6\u5f97\u3057\u3066\u3044\u308b\u306e\u306b\u3001\u305d\u306e\u7d71\u8a08\u60c5\u5831\u53d6\u5f97\u306e\u305f\u3081\u306b\u51e6\u7406\u304c\u9045\u5ef6\u3059\u308b\u307f\u305f\u3044\u306a\u8a71\u306b\u306a\u308b\u3068\u3001\u3082\u306f\u3084\u4f55\u306e\u305f\u3081\u306b\u3053\u308c\u3084\u3063\u3066\u308b\u3093\u3060\u3063\u3051\u3068\u3044\u3046\u72b6\u6cc1\u306b\u306a\u308b\u3057\u76ee\u3082\u3042\u2026","height":"190","width":"100%","url":"https://kiririmode.hatenablog.jp/entry/20120427/p1","provider_url":"https://hatena.blog","blog_url":"https://kiririmode.hatenablog.jp/","author_name":"kiririmode"}